3,4-Dihidroksi-2-butanon-4-fosfatna sintaza

(преусмерено са L-3,4-dihidroksibutan-2-on-4-fosfat sintaza)

3,4-Dihidroksi-2-butanon-4-fosfatna sintaza (EC 4.1.99.12, DHBP sintaza, L-3,4-dihidroksibutan-2-on-4-fosfat sintaza) je enzim sa sistematskim imenom D-ribuloza 5-fosfat format-lijaza (formira L-3,4-dihidroksibutan-2-on 4-fosfat).[1][2][3][4][5][6][7][8] Ovaj enzim katalizuje sledeću hemijsku reakciju

3,4-Dihidroksi-2-butanon-4-fosfatna sintaza
Identifikatori
EC broj4.1.99.12
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBj PDBsum
D-ribuloza 5-fosfat format + L-3,4-dihidroksibutan-2-on 4-fosfat

Za dejstvo ovog enzima je neophodan divalentni katjon, preferentno Mg2+.

Reference уреди

  1. ^ Volk, R. & Bacher, A. (1990). „Studies on the 4-carbon precursor in the biosynthesis of riboflavin. Purification and properties of L-3,4-dihydroxy-2-butanone-4-phosphate synthase”. J. Biol. Chem. 265: 19479—19485. PMID 2246238. 
  2. ^ Liao, D.I., Calabrese, J.C., Wawrzak, Z., Viitanen, P.V. and Jordan, D.B. (2001). „Crystal structure of 3,4-dihydroxy-2-butanone 4-phosphate synthase of riboflavin biosynthesis”. Structure. 9: 11—18. PMID 11342130. 
  3. ^ Kelly, M.J., Ball, L.J., Krieger, C., Yu, Y., Fischer, M., Schiffmann, S., Schmieder, P., Kühne, R., Bermel, W., Bacher, A., Richter, G. and Oschkinat, H. (2001). „The NMR structure of the 47-kDa dimeric enzyme 3,4-dihydroxy-2-butanone-4-phosphate synthase and ligand binding studies reveal the location of the active site”. Proc. Natl. Acad. Sci. USA. 98: 13025—13030. PMID 11687623. 
  4. ^ Liao, D.I., Zheng, Y.J., Viitanen, P.V. and Jordan, D.B. (2002). „Structural definition of the active site and catalytic mechanism of 3,4-dihydroxy-2-butanone-4-phosphate synthase”. Biochemistry. 41: 1795—1806. PMID 11827524. 
  5. ^ Fischer, M., Römisch, W., Schiffmann, S., Kelly, M., Oschkinat, H., Steinbacher, S., Huber, R., Eisenreich, W., Richter, G. and Bacher, A. (2002). „Biosynthesis of riboflavin in archaea studies on the mechanism of 3,4-dihydroxy-2-butanone-4-phosphate synthase of Methanococcus jannaschii”. J. Biol. Chem. 277: 41410—41416. PMID 12200440. 
  6. ^ Steinbacher, S., Schiffmann, S., Richter, G., Huber, R., Bacher, A. and Fischer, M. (2003). „Structure of 3,4-dihydroxy-2-butanone 4-phosphate synthase from Methanococcus jannaschii in complex with divalent metal ions and the substrate ribulose 5-phosphate: implications for the catalytic mechanism”. J. Biol. Chem. 278: 42256—42265. PMID 12904291. 
  7. ^ Steinbacher, S., Schiffmann, S., Bacher, A. and Fischer, M. (2004). „Metal sites in 3,4-dihydroxy-2-butanone 4-phosphate synthase from Methanococcus jannaschii in complex with the substrate ribulose 5-phosphate”. Acta Crystallogr. D Biol. Crystallogr. 60: 1338—1340. PMID 15213409. 
  8. ^ Echt, S., Bauer, S., Steinbacher, S., Huber, R., Bacher, A. and Fischer, M. (2004). „Potential anti-infective targets in pathogenic yeasts: structure and properties of 3,4-dihydroxy-2-butanone 4-phosphate synthase of Candida albicans”. J. Mol. Biol. 341: 1085—1096. PMID 15328619. 

Literatura уреди

Spoljašnje veze уреди